Resolution:
The old 4030/4130 closers and arms are obsolete, there is nothing to replace them. No arm from other closers will fit
There is no closer that can replace the old 4030 series closer with the exa...

Resolution:
The old 4030 series was:
Handed
Mounted regular arm hinge side.
Had sized springs, were not adjustable.
The 4033 is an obsolete closer. If required, handing can be verified by looking at ...

Resolution:
There are a few things that can cause a closer to slam.
The closer could be adjusted incorrectly. Turn all regulating screws clockwise until they stop. Then open each valve 1 and 1/2 turns. If t...